AS5311-ATST-1000 Equivalent & Substitute Parts

Part Overview

The AS5311-ATST-1000 is an active magnetic rotary encoder manufactured by ams-OSRAM USA INC. with PWM output capability. This surface mount device operates at 3.3V and 5V supply voltages and utilizes an external magnet actuator for rotational sensing applications. The part maintains Active product status and is RoHS Compliant with REACH Unaffected classification. Substitute parts are identified when inventory constraints, lead time requirements, or design flexibility necessitate alternative part selection while maintaining functional and electrical equivalence.

Substiute Parts

AS5311-ATST-1000

ams-OSRAM USA INC.In Stock: 1180AS5311-ATST-1000 Datasheet

Current PartRFQ

AS5311-ATST-500

ams-OSRAM USA INC.In Stock: 5723AS5311-ATST-500 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AS5311-ATST-1000 is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Encoder Type: Magnetic
• Output Type: PWM
• Voltage Supply Range: 3.3V, 5V
• Actuator Type: External Magnet, Not Included
• Mounting Type: Surface Mount
• Termination Style: SMD (SMT) Tab
• Detent: No
• Built in Switch: No
• RoHS Compliance: RoHS Compliant
• MSL Rating: 3 (168 Hours)

The AS5311-ATST-500 qualifies as a direct substitute based on complete alignment with all mandatory parameters. Both parts share the same base product number (AS5311), manufacturer, and functional specifications. Substitution is valid for applications requiring magnetic PWM rotary encoding with dual voltage supply capability and surface mount integration.

Parameter Comparison

Engineering Selection Recommendations

Both AS5311-ATST-1000 and AS5311-ATST-500 are qualified for direct substitution in applications requiring magnetic PWM rotary encoding. Selection between these parts should be based on:

Product Status: Both parts maintain Active status with full manufacturer support and availability.

Compliance Certifications: Both parts are RoHS Compliant and REACH Unaffected, meeting regulatory requirements for industrial and consumer applications.

Inventory Availability: AS5311-ATST-500 maintains higher inventory levels (5628 Pcs) compared to AS5311-ATST-1000 (1123 Pcs), providing improved lead time assurance for high-volume procurement.

Functional Equivalence: Complete parameter alignment ensures drop-in compatibility without circuit redesign or firmware modification.

Frequently Asked Questions (FAQ)

Q: Can AS5311-ATST-500 replace AS5311-ATST-1000 in existing designs?

A: Yes. Both parts are functionally equivalent across all critical parameters including encoder type, output type, voltage supply range, mounting type, and termination style. No circuit modifications are required.

Q: Are there differences in supply voltage compatibility?

A: No. Both parts operate identically at 3.3V and 5V supply voltages.

Q: Do both parts require external magnet actuators?

A: Yes. Both AS5311-ATST-1000 and AS5311-ATST-500 utilize external magnet actuators that are not included with the component. Magnet sourcing and integration remain identical for both parts.

Q: What is the significance of the part number suffix (1000 vs 500)?

A: The suffix indicates internal configuration differences that do not affect electrical or mechanical compatibility. Both parts are interchangeable from a system integration perspective.

Q: Are moisture sensitivity requirements identical?

A: Yes. Both parts carry MSL 3 rating with 168-hour floor life, requiring identical handling and storage protocols.

Q: Can these parts be used interchangeably in surface mount assembly?

A: Yes. Both parts feature identical SMD (SMT) Tab termination and surface mount packaging in Tape & Reel format, enabling seamless integration into existing pick-and-place assembly processes.

Q: Are there any compliance differences between the two parts?

A: No. Both parts maintain identical RoHS Compliant and REACH Unaffected status, meeting all applicable regulatory requirements.